22 results
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... symptoms - Headache, fever ... , abdominal pain ... #rheumatology #comparison ... #table
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... Diagnosis Framework ... • Fever • Anorexia ... • Skin changes ... wall painAbdominal
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... • Bursitis • IBD ... Causes of Leg Pain ... Herpes zoster - HIV ... /swelling - Fever
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
-14 days): • Fever ... maculopapular rash ... , vomiting, abdominal ... pain, diarrhea, ... Biphasic #Phases #Diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Red Flags: • Fever ... lesions • Severe pain ... cryoglobulins • Skin ... biopsy • Abdominal
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... include: infections (HSV ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: Fever ... Sjögrens (15%) Skin ... valve lesions Abdominal ... pain (20%) Renal ... disease (30%):
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Framework Disease ... • Polymorphic skin ... lymphadenopathy, • Abdominal ... factor • May cause
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... - GI tract: abdominal ... mucositis - Rash ... Vasculitis: • Fevers ... Supply gut -> abdominal
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
with systemic disease ... sudden onset of a rash ... - Rash: multiple ... Inflammation and pain ... Causes: - Idiopathic